Finding the Fourth Proportional to 28,873,856.10, 43,310,784.15 and 18,124,313.70
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Solution
The fourth proportional to 28,873,856.10, 43,310,784.15 and 18,124,313.70 is: 27,186,470.55
Step by Step Solution
- Step 1: Write the proportion equation
28,873,856.10 : 43,310,784.15 = 18,124,313.70 : x - Step 2: Convert to fraction form
28,873,856.10/43,310,784.15 = 18,124,313.70/x - Step 3: Cross multiply
28,873,856.10x = 43,310,784.15 × 18,124,313.70 - Step 4: Simplify right side
28,873,856.10x = 784,978,238,527,587.75 - Step 5: Solve for x
x = 784,978,238,527,587.75/28,873,856.10 - Step 6: Final answer
x = 27,186,470.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.